Mathematics
Grade9
Easy

Question

In an isosceles triangle ABC with AB = AC, if BD and CE are the altitudes, then BD and CE are______.

  1. Perpendicular to each other
  2. Not equal to each other
  3. Equal to each other
  4. Parallel to each other

hintHint:

In this question we have to determine the relation between BD and CE. For this we can look the triangles where BD and CE belongs, that is increment A B D space a n d space increment A C E and prove them congruent. After which we can determine their relation.

The correct answer is: Equal to each other


    In an isosceles triangle ABC with AB = AC, if BD and CE are the altitudes, then BD and CE are__ equal to each other ____.

    I n space increment A B D space a n d space increment A C E comma
angle A D B equals angle A E C left parenthesis B D space a n d space C E space a r e space a l t i t u d e s space t o space A C space a n d space A B space r e s p. space right parenthesis
angle A equals angle A left parenthesis c o m m o n right parenthesis
A B equals A C left parenthesis g i v e n right parenthesis
S o comma space increment A B D space approximately equal to space increment A C E left parenthesis b y space A A S right parenthesis
S o comma space B D space equals C E space left parenthesis b y space c p c t right parenthesis

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